[PATCH 16/32] cache-tree: only cache tree within narrow area
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
cache-tree.c | 17 +++++++++++++----
1 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/cache-tree.c b/cache-tree.c
index 03952c7..69ce0a2 100644
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -616,11 +616,17 @@ int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix)
return 0;
}
-static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
+static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree, const char *path)
{
struct tree_desc desc;
struct name_entry entry;
- int cnt;
+ const char *slash;
+ int len = 0, cnt;
+
+ if (path) {
+ slash = strchr(path, '/');
+ len = slash ? slash - path : strlen(path);
+ }
hashcpy(it->sha1, tree->object.sha1);
init_tree_desc(&desc, tree->buffer, tree->size);
@@ -628,6 +634,8 @@ static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
while (tree_entry(&desc, &entry)) {
if (!S_ISDIR(entry.mode))
cnt++;
+ else if (get_narrow_prefix() && len && strncmp(entry.path, path, len))
+ cnt++;
else {
struct cache_tree_sub *sub;
struct tree *subtree = lookup_tree(entry.sha1);
@@ -635,7 +643,8 @@ static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
parse_tree(subtree);
sub = cache_tree_sub(it, entry.path);
sub->cache_tree = cache_tree();
- prime_cache_tree_rec(sub->cache_tree, subtree);
+ prime_cache_tree_rec(sub->cache_tree, subtree,
+ slash ? slash+1 : NULL);
cnt += sub->cache_tree->entry_count;
}
}
@@ -646,7 +655,7 @@ void prime_cache_tree(struct cache_tree **it, struct tree *tree)
{
cache_tree_free(it);
*it = cache_tree();
- prime_cache_tree_rec(*it, tree);
+ prime_cache_tree_rec(*it, tree, get_narrow_prefix());
}
/*
--
1.7.1.rc1.69.g24c2f7
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>